condition	mean	min	max
4 h after light	5.943925	5.88486	6.00299
8 h after light	5.544345	5.16222	5.92647
12 h after light	5.4417349999999995	5.41409	5.46938
4 h after dark	6.490914999999999	6.39377	6.58806
8 h after dark	6.9061	6.87556	6.93664
12 h after dark	7.932549999999999	7.74435	8.12075